Vehicular control system

A vehicular control system includes a forward viewing camera that views through the windshield of the vehicle and captures image data. Responsive at least in part to processing, via a processor of a control, of captured image data, other vehicles exterior the vehicle are detected and road curvature of the road along which the vehicle is traveling is determined. Data that is at least in part relevant to a current geographic location of the vehicle is wirelessly communicated from the vehicle to a remote data receiver. The data is derived, at least in part, from processing of captured image data. The data is processed at the remote data receiver to determine information relevant to the vehicle. The remote data receiver receives data from another vehicle and, responsive at least in part to processing of data received from the other vehicle, location and/or movement of the other vehicle may be determined.